Wincott is a surname. Notable people with the surname include:
Daniel Wincott, English political scientist Harold Wincott (1906–1969), British economist and journalist Harry Wincott (1867–1947), English songwriter Jeff Wincott (born 1957), Canadian actor and martial artist Len Wincott (1907–1983), English sailor, mutineer and communist activist who defected to the Soviet Union Michael Wincott (born 1958), Canadian actor, younger brother of Jeff